spin_lock(&chip->lock);
switch (cmd) {
+ case SNDRV_PCM_TRIGGER_RESUME:
+ DE_ACT(("pcm_trigger resume\n"));
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
DE_ACT(("pcm_trigger start\n"));
err = start_transport(chip, channelmask,
chip->pipe_cyclic_mask);
break;
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ DE_ACT(("pcm_trigger suspend\n"));
case SNDRV_PCM_TRIGGER_STOP:
DE_ACT(("pcm_trigger stop\n"));
for (i = 0; i < DSP_MAXPIPES; i++) {
return err;
pci_set_master(pci);
- /* allocate a chip-specific data */
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (!chip) {
- pci_disable_device(pci);
- return -ENOMEM;
+ /* Allocate chip if needed */
+ if (!*rchip) {
+ chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+ if (!chip) {
+ pci_disable_device(pci);
+ return -ENOMEM;
+ }
+ DE_INIT(("chip=%p\n", chip));
+ spin_lock_init(&chip->lock);
+ chip->card = card;
+ chip->pci = pci;
+ chip->irq = -1;
+ atomic_set(&chip->opencount, 0);
+ mutex_init(&chip->mode_mutex);
+ chip->can_set_rate = 1;
+ } else {
+ /* If this was called from the resume function, chip is
+ * already allocated and it contains current card settings.
+ */
+ chip = *rchip;
}
- DE_INIT(("chip=%p\n", chip));
-
- spin_lock_init(&chip->lock);
- chip->card = card;
- chip->pci = pci;
- chip->irq = -1;
/* PCI resource allocation */
chip->dsp_registers_phys = pci_resource_start(pci, 0);
chip->comm_page = (struct comm_page *)chip->commpage_dma_buf.area;
err = init_hw(chip, chip->pci->device, chip->pci->subsystem_device);
- if (err) {
+ if (err >= 0)
+ err = set_mixer_defaults(chip);
+ if (err < 0) {
DE_INIT(("init_hw err=%d\n", err));
snd_echo_free(chip);
return err;
snd_echo_free(chip);
return err;
}
- atomic_set(&chip->opencount, 0);
- mutex_init(&chip->mode_mutex);
- chip->can_set_rate = 1;
*rchip = chip;
/* Init done ! */
return 0;
snd_card_set_dev(card, &pci->dev);
+ chip = NULL; /* Tells snd_echo_create to allocate chip */
if ((err = snd_echo_create(card, pci, &chip)) < 0) {
snd_card_free(card);
return err;
+#if defined(CONFIG_PM)
+
+static int snd_echo_suspend(struct pci_dev *pci, pm_message_t state)
+{
+ struct echoaudio *chip = pci_get_drvdata(pci);
+
+ DE_INIT(("suspend start\n"));
+ snd_pcm_suspend_all(chip->analog_pcm);
+ snd_pcm_suspend_all(chip->digital_pcm);
+
+#ifdef ECHOCARD_HAS_MIDI
+ /* This call can sleep */
+ if (chip->midi_out)
+ snd_echo_midi_output_trigger(chip->midi_out, 0);
+#endif
+ spin_lock_irq(&chip->lock);
+ if (wait_handshake(chip)) {
+ spin_unlock_irq(&chip->lock);
+ return -EIO;
+ }
+ clear_handshake(chip);
+ if (send_vector(chip, DSP_VC_GO_COMATOSE) < 0) {
+ spin_unlock_irq(&chip->lock);
+ return -EIO;
+ }
+ spin_unlock_irq(&chip->lock);
+
+ chip->dsp_code = NULL;
+ free_irq(chip->irq, chip);
+ chip->irq = -1;
+ pci_save_state(pci);
+ pci_disable_device(pci);
+
+ DE_INIT(("suspend done\n"));
+ return 0;
+}
+
+
+
+static int snd_echo_resume(struct pci_dev *pci)
+{
+ struct echoaudio *chip = pci_get_drvdata(pci);
+ struct comm_page *commpage, *commpage_bak;
+ u32 pipe_alloc_mask;
+ int err;
+
+ DE_INIT(("resume start\n"));
+ pci_restore_state(pci);
+ commpage_bak = kmalloc(sizeof(struct echoaudio), GFP_KERNEL);
+ commpage = chip->comm_page;
+ memcpy(commpage_bak, commpage, sizeof(struct comm_page));
+
+ err = init_hw(chip, chip->pci->device, chip->pci->subsystem_device);
+ if (err < 0) {
+ kfree(commpage_bak);
+ DE_INIT(("resume init_hw err=%d\n", err));
+ snd_echo_free(chip);
+ return err;
+ }
+ DE_INIT(("resume init OK\n"));
+
+ /* Temporarily set chip->pipe_alloc_mask=0 otherwise
+ * restore_dsp_settings() fails.
+ */
+ pipe_alloc_mask = chip->pipe_alloc_mask;
+ chip->pipe_alloc_mask = 0;
+ err = restore_dsp_rettings(chip);
+ chip->pipe_alloc_mask = pipe_alloc_mask;
+ if (err < 0) {
+ kfree(commpage_bak);
+ return err;
+ }
+ DE_INIT(("resume restore OK\n"));
+
+ memcpy(&commpage->audio_format, &commpage_bak->audio_format,
+ sizeof(commpage->audio_format));
+ memcpy(&commpage->sglist_addr, &commpage_bak->sglist_addr,
+ sizeof(commpage->sglist_addr));
+ memcpy(&commpage->midi_output, &commpage_bak->midi_output,
+ sizeof(commpage->midi_output));
+ kfree(commpage_bak);
+
+ if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
+ ECHOCARD_NAME, chip)) {
+ snd_echo_free(chip);
+ snd_printk(KERN_ERR "cannot grab irq\n");
+ return -EBUSY;
+ }
+ chip->irq = pci->irq;
+ DE_INIT(("resume irq=%d\n", chip->irq));
+
+#ifdef ECHOCARD_HAS_MIDI
+ if (chip->midi_input_enabled)
+ enable_midi_input(chip, TRUE);
+ if (chip->midi_out)
+ snd_echo_midi_output_trigger(chip->midi_out, 1);
+#endif
+
+ DE_INIT(("resume done\n"));
+ return 0;
+}
+
+#endif /* CONFIG_PM */
+
+
+
static void __devexit snd_echo_remove(struct pci_dev *pci)
{
struct echoaudio *chip;
.id_table = snd_echo_ids,
.probe = snd_echo_probe,
.remove = __devexit_p(snd_echo_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_echo_suspend,
+ .resume = snd_echo_resume,
+#endif /* CONFIG_PM */
};
if ((box_type = load_asic(chip)) < 0)
return box_type; /* error */
- if ((err = restore_dsp_rettings(chip)) < 0)
- return err;
-
return box_type;
}
static int restore_dsp_rettings(struct echoaudio *chip)
{
- int err;
+ int i, o, err;
DE_INIT(("restore_dsp_settings\n"));
if ((err = check_asic_status(chip)) < 0)
return err;
- /* @ Gina20/Darla20 only. Should be harmless for other cards. */
+ /* Gina20/Darla20 only. Should be harmless for other cards. */
chip->comm_page->gd_clock_state = GD_CLOCK_UNDEF;
chip->comm_page->gd_spdif_status = GD_SPDIF_STATUS_UNDEF;
chip->comm_page->handshake = 0xffffffff;
- if ((err = set_sample_rate(chip, chip->sample_rate)) < 0)
+ /* Restore output busses */
+ for (i = 0; i < num_busses_out(chip); i++) {
+ err = set_output_gain(chip, i, chip->output_gain[i]);
+ if (err < 0)
+ return err;
+ }
+
+#ifdef ECHOCARD_HAS_VMIXER
+ for (i = 0; i < num_pipes_out(chip); i++)
+ for (o = 0; o < num_busses_out(chip); o++) {
+ err = set_vmixer_gain(chip, o, i,
+ chip->vmixer_gain[o][i]);
+ if (err < 0)
+ return err;
+ }
+ if (update_vmixer_level(chip) < 0)
+ return -EIO;
+#endif /* ECHOCARD_HAS_VMIXER */
+
+#ifdef ECHOCARD_HAS_MONITOR
+ for (o = 0; o < num_busses_out(chip); o++)
+ for (i = 0; i < num_busses_in(chip); i++) {
+ err = set_monitor_gain(chip, o, i,
+ chip->monitor_gain[o][i]);
+ if (err < 0)
+ return err;
+ }
+#endif /* ECHOCARD_HAS_MONITOR */
+
+#ifdef ECHOCARD_HAS_INPUT_GAIN
+ for (i = 0; i < num_busses_in(chip); i++) {
+ err = set_input_gain(chip, i, chip->input_gain[i]);
+ if (err < 0)
+ return err;
+ }
+#endif /* ECHOCARD_HAS_INPUT_GAIN */
+
+ err = update_output_line_level(chip);
+ if (err < 0)
return err;
- if (chip->meters_enabled)
- if (send_vector(chip, DSP_VC_METERS_ON) < 0)
- return -EIO;
+ err = update_input_line_level(chip);
+ if (err < 0)
+ return err;
-#ifdef ECHOCARD_HAS_EXTERNAL_CLOCK
- if (set_input_clock(chip, chip->input_clock) < 0)
+ err = set_sample_rate(chip, chip->sample_rate);
+ if (err < 0)
+ return err;
+
+ if (chip->meters_enabled) {
+ err = send_vector(chip, DSP_VC_METERS_ON);
+ if (err < 0)
+ return err;
+ }
+
+#ifdef ECHOCARD_HAS_DIGITAL_MODE_SWITCH
+ if (set_digital_mode(chip, chip->digital_mode) < 0)
return -EIO;
#endif
-#ifdef ECHOCARD_HAS_OUTPUT_CLOCK_SWITCH
- if (set_output_clock(chip, chip->output_clock) < 0)
+#ifdef ECHOCARD_HAS_DIGITAL_IO
+ if (set_professional_spdif(chip, chip->professional_spdif) < 0)
return -EIO;
#endif
- if (update_output_line_level(chip) < 0)
+#ifdef ECHOCARD_HAS_PHANTOM_POWER
+ if (set_phantom_power(chip, chip->phantom_power) < 0)
return -EIO;
+#endif
- if (update_input_line_level(chip) < 0)
+#ifdef ECHOCARD_HAS_EXTERNAL_CLOCK
+ /* set_input_clock() also restores automute setting */
+ if (set_input_clock(chip, chip->input_clock) < 0)
return -EIO;
+#endif
-#ifdef ECHOCARD_HAS_VMIXER
- if (update_vmixer_level(chip) < 0)
+#ifdef ECHOCARD_HAS_OUTPUT_CLOCK_SWITCH
+ if (set_output_clock(chip, chip->output_clock) < 0)
return -EIO;
#endif
if (wait_handshake(chip) < 0)
return -EIO;
clear_handshake(chip);
+ if (send_vector(chip, DSP_VC_UPDATE_FLAGS) < 0)
+ return -EIO;
DE_INIT(("restore_dsp_rettings done\n"));
- return send_vector(chip, DSP_VC_UPDATE_FLAGS);
+ return 0;
}
chip->card_name = ECHOCARD_NAME;
chip->bad_board = TRUE; /* Set TRUE until DSP loaded */
chip->dsp_code = NULL; /* Current DSP code not loaded */
- chip->digital_mode = DIGITAL_MODE_NONE;
- chip->input_clock = ECHO_CLOCK_INTERNAL;
- chip->output_clock = ECHO_CLOCK_WORD;
chip->asic_loaded = FALSE;
memset(chip->comm_page, 0, sizeof(struct comm_page));
chip->comm_page->midi_out_free_count =
cpu_to_le32(DSP_MIDI_OUT_FIFO_SIZE);
chip->comm_page->sample_rate = cpu_to_le32(44100);
- chip->sample_rate = 44100;
/* Set line levels so we don't blast any inputs on startup */
memset(chip->comm_page->monitors, ECHOGAIN_MUTED, MONITOR_ARRAY_SIZE);
-/* This function initializes the several volume controls for busses and pipes.
-This MUST be called after the DSP is up and running ! */
+/* This function initializes the chip structure with default values, ie. all
+ * muted and internal clock source. Then it copies the settings to the DSP.
+ * This MUST be called after the DSP is up and running !
+ */
static int init_line_levels(struct echoaudio *chip)
{
- int st, i, o;
-
DE_INIT(("init_line_levels\n"));
-
- /* Mute output busses */
- for (i = 0; i < num_busses_out(chip); i++)
- if ((st = set_output_gain(chip, i, ECHOGAIN_MUTED)))
- return st;
- if ((st = update_output_line_level(chip)))
- return st;
-
-#ifdef ECHOCARD_HAS_VMIXER
- /* Mute the Vmixer */
- for (i = 0; i < num_pipes_out(chip); i++)
- for (o = 0; o < num_busses_out(chip); o++)
- if ((st = set_vmixer_gain(chip, o, i, ECHOGAIN_MUTED)))
- return st;
- if ((st = update_vmixer_level(chip)))
- return st;
-#endif /* ECHOCARD_HAS_VMIXER */
-
-#ifdef ECHOCARD_HAS_MONITOR
- /* Mute the monitor mixer */
- for (o = 0; o < num_busses_out(chip); o++)
- for (i = 0; i < num_busses_in(chip); i++)
- if ((st = set_monitor_gain(chip, o, i, ECHOGAIN_MUTED)))
- return st;
- if ((st = update_output_line_level(chip)))
- return st;
-#endif /* ECHOCARD_HAS_MONITOR */
-
-#ifdef ECHOCARD_HAS_INPUT_GAIN
- for (i = 0; i < num_busses_in(chip); i++)
- if ((st = set_input_gain(chip, i, ECHOGAIN_MUTED)))
- return st;
- if ((st = update_input_line_level(chip)))
- return st;
-#endif /* ECHOCARD_HAS_INPUT_GAIN */
-
- return 0;
+ memset(chip->output_gain, ECHOGAIN_MUTED, sizeof(chip->output_gain));
+ memset(chip->input_gain, ECHOGAIN_MUTED, sizeof(chip->input_gain));
+ memset(chip->monitor_gain, ECHOGAIN_MUTED, sizeof(chip->monitor_gain));
+ memset(chip->vmixer_gain, ECHOGAIN_MUTED, sizeof(chip->vmixer_gain));
+ chip->input_clock = ECHO_CLOCK_INTERNAL;
+ chip->output_clock = ECHO_CLOCK_WORD;
+ chip->sample_rate = 44100;
+ return restore_dsp_rettings(chip);
}
projects / linux-platform-drivers-x86.git / commitdiff